Jus Cogens — Peremptory Norms (VCLT Art 53) — KSLU Pil Notes
Jus Cogens — Peremptory Norms (VCLT Art 53)
Jus Cogens = norms so fundamental that no derogation is permitted even by treaty.
| Jus Cogens Norm | What it prohibits |
|---|---|
| Prohibition of genocide | No treaty can legalise genocide |
| Prohibition of slavery | No treaty can permit slavery |
| Prohibition of torture | No derogation even in wartime |
| Prohibition of aggression | No forcible acquisition of territory |
| Right to self-determination | Cannot be contracted away |
Any treaty that conflicts with a jus cogens norm is void ab initio — Art 53 VCLT.